Career
He has made a total of 27 appearances for various Danish national youth teams. AaB
Coming through the youth ranks of AaB, he signed his first professional contract with the club in January 2006, being described as the future goalscorer for the club 2 years and 2 first team league appearances later, he signed a new contract that was set to expire in the summer of 2011.
Despite being marked as a talent, for the remainder of his AaB time, he never managed to establish himself as a regular in the starting eleven.
When his contract expired, he decided to leave AaB and join Randers in the Danish 1st Division, who had just been relegated the previous season, signing a 3 year contract. Randers Football Club
Following a good season in the 1st Division, Randers and Schwartz was yet again promoted to the Danish Superliga, finished only behind Esbjerg fB. In his first top flight season for Randers, Schwartz became the top goal scorer with a total of 14 league goals, finishing 5th overall in the league top scorer table.
Thus Schwartz ended up playing an integral part of the Randers side that finished 3rd in the league and 2nd in the Danish Cup. His good efforts was awarded with a new contract, that is set to expire in the summer of 2016.
EA Guingamp
On June 11, 2014, Guingamp announced that they bought Schwartz from Randers Football Club. He was their third Danish signing in the summer of 2014, after Lars Jacobsen and Jonas Lössl.